CN110054066A - A kind of elevator cage door anti-pinch protection method based on ultrasound - Google Patents
A kind of elevator cage door anti-pinch protection method based on ultrasound Download PDFInfo
- Publication number
- CN110054066A CN110054066A CN201910379820.9A CN201910379820A CN110054066A CN 110054066 A CN110054066 A CN 110054066A CN 201910379820 A CN201910379820 A CN 201910379820A CN 110054066 A CN110054066 A CN 110054066A
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- China
- Prior art keywords
- elevator
- door
- signal
- cage door
- elevator cage
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Elevator Door Apparatuses (AREA)
Abstract
The present invention provides a kind of elevator cage door anti-pinch protection methods based on ultrasound, comprising: and 1, ultrasonic unit is installed at the top of elevator cage door, anti-pinch protection is carried out to elevator cage door by ultrasonic unit；2, start ultrasonic unit, elevator host receives the opening signal of elevator door-motor, and ultrasonic unit emits measuring point signal, and measuring point signal is sent to elevator host, opens the function of real-time detection distance；3, after real-time detection, elevator host receives door signal, and elevator cage door is closed, and lift car starts starting operation；The present invention can effectively detect between elevator cage door whether have blocking using ultrasonic distance measurement principle.
Description
Technical field
The present invention relates to elevators to detect inspection technology field, especially a kind of elevator cage door anti-pinch protection based on ultrasound
Method.
Background technique
Elevator cage door anti-clamping protective device is an important protective device on elevator cage door, can prevent passenger's tegillum
Door crushes, " elevator surveillance inspection and periodic inspection rule-traction and forcibly driving elevator " and " elevator manufacture and safety standard "
To the relevant regulations that it is carried out, layer door anti-pinch device common at present mainly has safety edge and light curtain；Safety edge relies on
Shock is made a response, and certain injury can be both caused to passenger or object, itself is relatively easy to damage, once as microswitch loses
Spirit, it is likely that continue to close the door, lead to problems such as passenger crush, squeeze and hurt.Light curtain is that current elevator applications are more extensive
Layer door anti-clamping protective device, but the infrared ray that light curtain uses, first pair of hygienic requirements is higher, and infrared ray transmitting and receiver
It is required that installation accuracy is higher, it is easy to appear malfunction, leads to not close the door, and light curtain is typically mounted at gate side, due to
Gate is apart from long, and for the protective effect obtained, light curtain requires digit relatively high, i.e., infrared ray transmitting and receives points
It is required that it is relatively more, just it is avoided that missing inspection；If digit is lower, some elongate articles can not be detected, be easily damaged elevator, and
And elevator light curtain is insensitive to transparent objects such as glass, when there is moving glass, not completely into elevator, light curtain can not be felt glass
It answers, elevator is still closed the door operation, and glass squeezes broken, or even damage door machine.In sightseeing elevator or the outdoor stronger elevator of light,
Light curtain is more sensitive to sunlight, is easy to appear the accident that work is insensitive, and passenger is caused to crush.
Summary of the invention
The object of the present invention is to provide a kind of elevator cage door anti-pinch protection methods based on ultrasound, utilize ultrasonic distance measurement
Principle can effectively detect between elevator cage door whether have obstacle, to prevent passenger to be pinched, to overcome the prior art
It is insufficient.
The present invention is realized using following methods: a kind of elevator cage door anti-pinch protection method based on ultrasound, feature
It is: the described method comprises the following steps:
Step S1, ultrasonic unit is installed at the top of elevator cage door, anti-pinch protection is carried out to elevator cage door by ultrasonic unit；
Step S2, start ultrasonic unit, elevator host receives the opening signal of elevator door-motor, and ultrasonic unit emits measuring point letter
Number, and measuring point signal is sent to elevator host, the function of real-time detection distance is opened, real-time detection function includes following two
Situation, described two situations include:
Situation one: measuring point signal is normal, and the time reaches elevator door-motor opening time, and elevator door-motor starting starts to close the door；
Situation two: measuring point signal is fed back to elevator host by measuring point abnormal signal, ultrasonic unit, and elevator host keeps door machine to open
Door state, until detecting that signal is normal, elevator restores normal, starts to close the door；
Step S3, after real-time detection, elevator host receives door signal, and elevator cage door is closed, and lift car starts to start
Operation.
Further, the ultrasonic unit in the step S1 is that the ultrasonic wave bar shaped of multiple strip arrays is popped one's head in, institute
It states in step S1 and ultrasonic unit is installed specifically: open up strip groove at the top of elevator cage door, the strip groove length is
The ultrasonic wave bar shaped probe of the multiple strip array is mounted on the item by enabling spacing when elevator cage door fully opens
In shape groove.
Further, the situation two in the step S2 is further specifically:, will when occurring measuring point abnormal signal for a long time
It will start voice prompting, voice prompting again waits for the opening time of an elevator setting later, and the ultrasonic unit is still
Detect that measuring point abnormal signal, report failure to elevator host, elevator host cut off lift cage illumination, elevator is out of service.
Further, the long-time is set as 5 times of door-opened elevator time.
Further, start to further include being provided with the second setting value and the in ultrasonic unit after closing the door in the step S2
There is the signal that ranging distance is the second setting value, close in the ranging distance of one setting value, the elevator cage door left and right sides when closing
There is the measuring point signal of the second setting value, remaining signal distance measurement value keeps the first setting value, until whole measuring points are closed.
Further, there are one or more distance measuring signals less than the first setting value, elevator door-motor will restart.
Further, the range of first setting value is 2.10m-2.75m, and the range of second setting value is
1.82m-2.55m。
The beneficial effects of the present invention are: 1, joined ultrasonic unit, more human nature, active enabling anti-pinch is different from touching
Plate needs artificially to act touch panel.2, detection range is without blind spot, and from carriage upper end to layer door lower end, signal covers ultrasonic signal entirely
Layer door and gate are covered.1) light curtain and touch panel be by signal and triggering setting in gate side, if layer door side there are object, and object
Gate side is not extended into, light curtain and touch panel can not detect at this time, will force to close the door；This is easy to make for child (especially child)
At injury, lesser decoration garbage can not be detected, elevator cage door occur by foreign body from blocking, can not close the door operation.2) light curtain
With touch panel for there is installation site limitation at layer door lower end 50mm, signal and touch panel can not be covered, i.e. deposit at layer door lower end 50mm
In detection blind spot.3, the detection is provided with anti-troublesome warning device, i.e., artificial to force gear door certain time (when such as 3 times enablings
Between), start voice prompting, be more than (5 times of opening times), starting elevator closes operation function, cutting illumination etc..4, the detection fills
It sets and is mounted on gate doorframe, usual elevator cage door width is far smaller than gate height, i.e. detection signaling point quantity is relative to light
Curtain greatly reduces.5, ultrasonic signal cuts off signal emitting-source in gate closing process point by point, after gate completely closes,
Signal source is all cut off, and belongs to normally opened signal different from light curtain signal, when elevator is run, signal closes ultrasonic testing signals
It closes, there is power saving function.6, ultrasonic signal is insensitive to dust and light.1) light curtain signal is to hygienic requirements height, when light curtain is believed
After number being stopped by dust, it is easy to appear malfunction signal, repeat switch door；2) light curtain signal is for some transparent substances, such as
Glass etc. has the function of to penetrate, and is easy to happen finishing moving glass, and light curtain can not work, and damages the event of glass and elevator.
3) light curtain signal is easy to be influenced to malfunction by light, is often subject to light for sightseeing elevator and some outdoor elevators, light curtain
It influences, leads to clamping accident, therefore ultrasonic unit is particularly suitable for sightseeing elevator and outdoor elevator.
Detailed description of the invention
Fig. 1 is work flow diagram of the invention.
Fig. 2 is the structural schematic diagram of the ultrasonic unit.
Fig. 3 is the schematic view of the mounting position of the ultrasonic unit.
Fig. 4 is the setting schematic diagram of first setting value and the second setting value.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Please refer to shown in Fig. 1 and Fig. 2, the present invention provides an embodiments: the present invention is realized using following methods: a kind of
Elevator cage door anti-pinch protection method based on ultrasound, the described method comprises the following steps:
Step S1, ultrasonic unit 1 is installed at the top of elevator cage door, anti-pinch guarantor is carried out to elevator cage door by ultrasonic unit 1
Shield；
Step S2, start ultrasonic unit 1, elevator host receives the opening signal of elevator door-motor, and ultrasonic unit 1 emits measuring point
Signal, and measuring point signal is sent to elevator host, the function of real-time detection distance is opened, real-time detection function includes following two
Kind situation, described two situations include:
Situation one: measuring point signal is normal, and the time reaches elevator door-motor opening time, and elevator door-motor starting starts to close the door；
Situation two: measuring point signal is fed back to elevator host by measuring point abnormal signal, ultrasonic unit 1, and elevator host keeps door machine
Door opening state, until detecting that signal is normal, elevator restores normal, starts to close the door；
Step S3, after real-time detection, elevator host receives door signal, and elevator cage door is closed, and lift car starts to start
Operation.
It please refers to shown in Fig. 3, the ultrasonic unit 1 in the step S1 is that the ultrasonic wave bar shaped of multiple strip arrays is visited
Head installs ultrasonic unit 1 in the step S1 specifically: strip groove 2, the strip groove are opened up at the top of elevator cage door
The ultrasonic wave bar shaped of the multiple strip array is popped one's head in and is installed by enabling spacing when 2 length fully open for elevator cage door
In the strip groove 2.The ultrasonic unit 1 is set in a rotation axis, and the rotation axis one end, which is provided with, to be used for
The motor of the rotation axis rotation is driven, the motor is fixed on gate door head, and when ultrasonic unit is started to work, motor turns
Dynamic, so that bar shaped probe turns to downside, such bar shaped probe can emit measuring point signal to landing sill；Work as elevator cage door
It closes, when ultrasonic unit 1 is stopped using, motor drives rotation axis rotation, and bar shaped probe is transferred back to original position.
MB7780 can be used in the preferable model of ultrasonic unit in the present invention, but is not limited only to this.
Situation two in the step S2 is further specifically: when occurring measuring point abnormal signal for a long time, it will starting language
Sound prompt, voice prompting again wait for the opening time of an elevator setting later, and the ultrasonic unit still detects survey
Point abnormal signal, report failure to elevator host, elevator host cut off lift cage illumination, and elevator is out of service.
The long-time is set as 5 times of door-opened elevator time.
It please refers to shown in Fig. 4, starts after closing the door to further include being provided with the second setting in ultrasonic unit in the step S2
The ranging distance of value 3 and the first setting value 4, ranging distance occurs in the elevator cage door left and right sides when closing be the second setting value 3
Signal closes the measuring point signal for the second setting value 3 occur, remaining signal distance measurement value keeps the first setting value 4, until whole measuring points
It closes.The ranging distance of first setting value 4 and the second measured value 3 is oblique line, can increase detection range in this way, prevent
Detect blind spot.
There are one or more distance measuring signals less than the first setting value 3, elevator door-motor will restart.
The range of first setting value 4 is 2.10m-2.75m, and the range of second setting value 3 is 1.82m-
2.55m。
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (7)
1. a kind of elevator cage door anti-pinch protection method based on ultrasound, it is characterised in that: the described method comprises the following steps:
Step S1, ultrasonic unit is installed at the top of elevator cage door, anti-pinch protection is carried out to elevator cage door by ultrasonic unit；
Step S2, start ultrasonic unit, elevator host receives the opening signal of elevator door-motor, and ultrasonic unit emits measuring point letter
Number, and measuring point signal is sent to elevator host, the function of real-time detection distance is opened, real-time detection function includes following two
Situation, described two situations include:
Situation one: measuring point signal is normal, and the time reaches elevator door-motor opening time, and elevator door-motor starting starts to close the door；
Situation two: measuring point signal is fed back to elevator host by measuring point abnormal signal, ultrasonic unit, and elevator host keeps door machine to open
Door state, until detecting that signal is normal, elevator restores normal, starts to close the door；
Step S3, after real-time detection, elevator host receives door signal, and elevator cage door is closed, and lift car starts to start
Operation.
2. a kind of elevator cage door anti-pinch protection method based on ultrasound according to claim 1, it is characterised in that: described
Ultrasonic unit in step S1 is that the ultrasonic wave bar shaped of multiple strip arrays is popped one's head in, installation ultrasonic wave dress in the step S1
It sets specifically: strip groove, opening when the strip groove length fully opens for elevator cage door are opened up at the top of elevator cage door
The ultrasonic wave bar shaped probe of the multiple strip array is mounted in the strip groove by door spacing.
3. a kind of elevator cage door anti-pinch protection method based on ultrasound according to claim 1, it is characterised in that: described
Situation two in step S2 is further specifically: when occurring measuring point abnormal signal for a long time, it will starting voice prompting, voice mention
Show that the opening time for again waiting for an elevator setting later, the ultrasonic unit still detect measuring point abnormal signal, reports
Failure to elevator host, elevator host cuts off lift cage illumination, and elevator is out of service.
4. a kind of elevator cage door anti-pinch protection method based on ultrasound according to claim 3, it is characterised in that: described
It is set as 5 times of the door-opened elevator time for a long time.
5. a kind of elevator cage door anti-pinch protection method based on ultrasound according to claim 1, it is characterised in that: described
Start after closing the door to further include the ranging distance for being provided with the second setting value and the first setting value in ultrasonic unit in step S2, electricity
Occur the signal that ranging distance is the second setting value when closing at left and right sides of terraced gate, closes the measuring point letter for the second setting value occur
Number, remaining signal distance measurement value keeps the first setting value, until whole measuring points are closed.
6. a kind of elevator cage door anti-pinch protection method based on ultrasound according to claim 5, it is characterised in that: occur
Less than one or more distance measuring signals of the first setting value, elevator door-motor will restart.
7. a kind of elevator cage door anti-pinch protection method based on ultrasound according to claim 5, it is characterised in that: described
The range of first setting value is 2.10m-2.75m, and the range of second setting value is 1.82m-2.55m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379820.9A CN110054066B (en) | 2019-05-08 | 2019-05-08 | Elevator car door anti-pinch protection method based on ultrasonic waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379820.9A CN110054066B (en) | 2019-05-08 | 2019-05-08 | Elevator car door anti-pinch protection method based on ultrasonic waves |
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| Publication Number | Publication Date |
|---|---|
| CN110054066A true CN110054066A (en) | 2019-07-26 |
| CN110054066B CN110054066B (en) | 2021-05-07 |
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ID=67322601
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910379820.9A Active CN110054066B (en) | 2019-05-08 | 2019-05-08 | Elevator car door anti-pinch protection method based on ultrasonic waves |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850435A (en) * | 2021-03-04 | 2021-05-28 | 苏州德林宝电梯制造有限公司 | Anti-pinch and anti-collision safety prompt equipment for elevator |
| CN116161517A (en) * | 2023-04-26 | 2023-05-26 | 苏州福捷家用电梯有限公司 | Household elevator door anti-pinch device |
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| JP5930937B2 (en) * | 2012-10-23 | 2016-06-08 | 三菱電機株式会社 | Elevator door alerting device and elevator door alerting method |
| CN106081776A (en) * | 2016-08-22 | 2016-11-09 | 广州日滨科技发展有限公司 | The method of elevator safety monitoring, Apparatus and system |
| CN206395685U (en) * | 2016-12-08 | 2017-08-11 | 宁波永良电梯技术发展有限公司 | Elevator car door system |
| JP6480046B1 (en) * | 2018-02-13 | 2019-03-06 | 東芝エレベータ株式会社 | Failure diagnosis system and failure diagnosis method for optical axis sensor installed in elevator door |
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Patent Citations (5)
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| JPS5094650A (en) * | 1973-12-18 | 1975-07-28 | ||
| JP5930937B2 (en) * | 2012-10-23 | 2016-06-08 | 三菱電機株式会社 | Elevator door alerting device and elevator door alerting method |
| CN106081776A (en) * | 2016-08-22 | 2016-11-09 | 广州日滨科技发展有限公司 | The method of elevator safety monitoring, Apparatus and system |
| CN206395685U (en) * | 2016-12-08 | 2017-08-11 | 宁波永良电梯技术发展有限公司 | Elevator car door system |
| JP6480046B1 (en) * | 2018-02-13 | 2019-03-06 | 東芝エレベータ株式会社 | Failure diagnosis system and failure diagnosis method for optical axis sensor installed in elevator door |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850435A (en) * | 2021-03-04 | 2021-05-28 | 苏州德林宝电梯制造有限公司 | Anti-pinch and anti-collision safety prompt equipment for elevator |
| CN116161517A (en) * | 2023-04-26 | 2023-05-26 | 苏州福捷家用电梯有限公司 | Household elevator door anti-pinch device |
| CN116161517B (en) * | 2023-04-26 | 2023-06-27 | 苏州福捷家用电梯有限公司 | Household elevator door anti-pinch device |
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| CN110054066B (en) | 2021-05-07 |
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